 Cross-species transmission

Cross-species transmission refers to the process by which pathogens, such as viruses, bacteria, or parasites, are transmitted from one species to another. This phenomenon can occur between a variety of organisms, including animals and humans, and is a significant factor in the emergence of new infectious diseases. There are several reasons why cross-species transmission occurs: 1. **Zoonotic Diseases**: Many infectious diseases are zoonotic, meaning they are primarily found in animals but can be transmitted to humans.